PHP string and byte array conversion class example

phpString and byteByte arrayTransformation class example

php 
  
/**

* bytearray and string conversionclassification

*/
  
class Bytes { 
  
    
/**

* Convert to a String string to byte array

* @para m $str needs to convertcharacters String

* @param $bytes Target byteArray

* @author Zikie

*/
    public static function getBytes($string) { 
        $bytes = array(); 
        for($i = 0; $i < strlen($string); $i++){ 
             $bytes[] = ord($string[$i]); 
        } 
        return $bytes; 
    } 
  
    
/**

* Convert the byte array to into String type data

* @param $bytes byte array

* @param $str target String

* @return A String type data

*/
  
    public static function toStr($bytes) { 
        $str = ''; 
        foreach($bytes as $ch) { 
            $str .= chr($ch); 
        } 
  
           return $str; 
    } 
  
    
/**
 
* ConvertChange an int to bytearray
Array
* @param $ val needs to
convert to change the
string*/  
    public static function integerToBytes($val) { 
        $byt = array(); 
        $byt[0] = ($val & 0xff); 
        $byt[1] = ($val >> 8 & 0xff); 
        $byt[2] = ($val >> 16 & 0xff); 
        $byt[3] = ($val >> 24 & 0xff); 
        return $byt; 
    } 
  
    
/**

* Read an Integer type data from the specified position in the byte array

* @param $bytes byte array

* @param $ The start specified by position Location

* @return an Integer type data

*/
  
    public static function bytesToInteger($bytes, $position) { 
        $val = 0; 
        $val = $bytes[$position + 3] & 0xff; 
        $val <<= 8; 
        $val |= $bytes[$position + 2] & 0xff; 
        $val <<= 8; 
        $val |= $bytes[$position + 1] & 0xff; 
        $val <<= 8; 
        $val |= $bytes[$position] & 0xff; 
        return $val; 
    } 
  
    
/**

* Convert to a shor string to byte array

* @para m $byt targetbytearray
​​​
* @param $val needs to convert to change the string
*/
  
    public static function shortToBytes($val) { 
        $byt = array(); 
        $byt[0] = ($val & 0xff); 
        $byt[1] = ($val >> 8 & 0xff); 
        return $byt; 
    } 
  
    
/**

* Read a Short type data from the specified position in the byte array.

* @param $bytes byte array

* @param $position specified starting position

* @return a Short type Data of

*/
  
    public static function bytesToShort($bytes, $position) { 
        $val = 0; 
        $val = $bytes[$position + 1] & 0xFF; 
        $val = $val << 8; 
        $val |= $bytes[$position] & 0xFF; 
        return $val; 
    } 
  
} 
?>
以上就介绍了php字符串与byte字节数组转化类示例，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。